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Object-Oriented JavaScript

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Object-Oriented JavaScript

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Object-Oriented JavaScript
Jul, 2008 | 356 pages
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Table of Contents (18 chapters)
Object-Oriented JavaScript
Object-Oriented JavaScript
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
Preface
Preface
Free Chapter
1
Introduction
Introduction
A Bit of History
The Winds of Change
The Present
The Future
Object-Oriented Programming
OOP Summary
Setting up Your Training Environment
Using the Firebug Console
Summary
2
Primitive Data Types, Arrays, Loops, and Conditions
Primitive Data Types, Arrays, Loops, and Conditions
Variables
Operators
Primitive Data Types
Primitive Data Types Recap
Arrays
Conditions and Loops
Comments
Summary
Exercises
3
Functions
Functions
What is a Function?
Pre-defined Functions
Scope of Variables
Functions are Data
Closures
Summary
Exercises
4
Objects
Objects
From Arrays to Objects
Built-in Objects
Summary
Exercises
5
Prototype
Prototype
The prototype Property
Augmenting Built-in Objects
Summary
Exercises
6
Inheritance
Inheritance
Prototype Chaining
Inheriting the Prototype Only
Uber—Access to the Parent from a Child Object
Isolating the Inheritance Part into a Function
Copying Properties
Heads-up When Copying by Reference
Objects Inherit from Objects
Deep Copy
object()
Using a Mix of Prototypal Inheritance and Copying Properties
Multiple Inheritance
Parasitic Inheritance
Borrowing a Constructor
Summary
Case Study: Drawing Shapes
Exercises
7
The Browser Environment
The Browser Environment
Including JavaScript in an HTML Page
BOM and DOM—An Overview
BOM
DOM
Events
XMLHttpRequest
Summary
Exercises
8
Coding and Design Patterns
Coding and Design Patterns
Coding Patterns
Design Patterns
Summary
Reserved Words
Reserved Words
Keywords
Future Reserved Words
Built-in Functions
Built-in Functions
Built-in Objects
Built-in Objects
Object
Array
Function
Boolean
Number
String
Date
Math
RegExp
Error Objects
Regular Expressions
Regular Expressions
Index
Index

Chapter 2. Primitive Data Types, Arrays, Loops, and Conditions

Before diving into the object-oriented features of JavaScript, let's first take a look at some of the basics. This chapter walks you through:

  • The primitive data types in JavaScript, such as strings and numbers

  • Arrays

  • Common operators, such as +, -, delete, and typeof

  • Flow control statements, such as loops and if-else conditions

Previous Section
End of Section 1
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